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-rw-r--r--legacy/mkinitfs/mkinitfs.trigger33
1 files changed, 33 insertions, 0 deletions
diff --git a/legacy/mkinitfs/mkinitfs.trigger b/legacy/mkinitfs/mkinitfs.trigger
new file mode 100644
index 000000000..e8acc9785
--- /dev/null
+++ b/legacy/mkinitfs/mkinitfs.trigger
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+for i in "$@"; do
+ # get last element in path
+ flavor=${i##*/}
+ if ! [ -f "$i"/kernel.release ]; then
+ # kernel was uninstalled
+ rm -f $( readlink -f /boot/initramfs-$flavor ) \
+ /boot/initramfs-$flavor /boot/vmlinuz-$flavor \
+ /boot/$flavor /boot/$flavor.gz /$flavor /$flavor.gz
+ continue
+ fi
+ abi_release=$(cat "$i"/kernel.release)
+ initfs=initramfs-$flavor
+ mkinitfs -o /boot/$initfs $abi_release
+done
+
+# extlinux will use path relative partition, so if /boot is on a
+# separate partition we want /boot/<kernel> resolve to /<kernel>
+if ! [ -e /boot/boot ]; then
+ ln -sf . /boot/boot
+fi
+
+# cleanup unused initramfs
+for i in /boot/initramfs-[0-9]*; do
+ [ -f $i ] || continue
+ if ! [ -f /boot/vmlinuz-${i#/boot/initramfs-} ]; then
+ rm "$i"
+ fi
+done
+
+sync
+exit 0